Anhydrous Ammonia for Nitric Acid Production
Technical-grade anhydrous ammonia used as feedstock in the Ostwald process for manufacturing nitric acid. Classified in HTS 2814.10.00.00 due to its anhydrous state and role as a simple inorganic compound. Supplied in bulk for chemical plants.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aqueous feedstocks for modified processes
Processes using diluted ammonia solutions classify the imported material as aqueous.
If when pre-reacted to nitrites
Inorganic acid salts like ammonium nitrite from partial oxidation fall in heading 2834.
If imported with animal/vegetable fertilizers
Fertilizer mixtures containing ammonia compounds are in Chapter 31.
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Import Tips & Compliance
• Provide end-use certificates for chemical manufacturing; comply with TSCA import requirements
• Bulk railcar shipments need special hazmat routing
• Pitfall: Moisture ingress during loading voids anhydrous status
Related Products under HTS 2814.10.00.00
Industrial Grade Anhydrous Ammonia
Pure anhydrous ammonia (NH3) in liquid form under pressure, used primarily as a raw material in the production of fertilizers and chemicals. It falls under HTS 2814.10.00.00 as it is chemically defined anhydrous ammonia, distinct from aqueous solutions. This product is essential for large-scale industrial synthesis processes.
Fertilizer-Grade Anhydrous Ammonia
High-purity anhydrous ammonia specifically formulated for direct application in agriculture as a nitrogen source. Classified under HTS 2814.10.00.00 because it is anhydrous ammonia meeting chemical purity standards of Chapter 28. It is transported in refrigerated tankers for field injection.
Refrigerant-Grade Anhydrous Ammonia (R717)
Ultra-pure anhydrous ammonia used as refrigerant gas R717 in industrial cooling systems like cold storage warehouses. It qualifies for HTS 2814.10.00.00 as chemically defined anhydrous ammonia without water content. Known for its efficiency in large-scale refrigeration.
Laboratory-Grade Anhydrous Ammonia
High-purity anhydrous ammonia supplied in small cylinders for chemical synthesis and research applications. Falls under HTS 2814.10.00.00 as it is purely anhydrous and chemically defined per Chapter 28 notes. Used in producing pharmaceuticals and analytical reagents.
Pharmaceutical-Grade Anhydrous Ammonia
USP-grade anhydrous ammonia for use in pharmaceutical manufacturing and as a reagent in drug synthesis. Meets HTS 2814.10.00.00 as pure, anhydrous ammonia per chemical definition notes. Packaged in medical-grade cylinders.
Anhydrous Ammonia for Explosives Manufacturing
High-spec anhydrous ammonia used in the production of ammonium nitrate for mining explosives. Classified under HTS 2814.10.00.00 as anhydrous per Chapter 28 purity standards. Requires strict security protocols for import.